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Veolia technology to treat effluent at Munksjö’s Tolosa mill in Spain

Paper products manufacturer Munksjö has selected Veolia Water Technologies’ AnoxKaldnes MBBR process to treat effluent at its Tolosa mill in Spain.

Munksjö is expanding the industrial wastewater treatment plant at the Tolosa mill in Guipúzcoa.

The new installation, with a capacity of 200 m3/hour, will use AnoxKaldnes MBBR for biological treatment and Actiflo for ballasted water clarification and settling. These two Veolia proprietary technologies will allow for the removal of the dissolved chemical oxygen demand (COD) and the suspended particulate matter, obtaining a high-quality effluent and surpassing the current local standards for river discharge.
Veolia’s solution includes the new generation of Z-MBBR carriers. The 3D design allows the biofilm to grow in a controlled and protected way until reaching a predetermined thickness. The use of these supports will eliminate the biodegradable filtered COD from the water and avoid the possible formation of calcium precipitates.

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Pulp and paper  •  Water and Wastewater


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